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Musya8 [376]
2 years ago
5

There is a large number of cubes in a bag.

Mathematics
1 answer:
Alla [95]2 years ago
7 0
Marked(10)/total = 3/20 (from sample)

total/10 = 20/3 (inverting the above proportion)

total = 10•20/3 = 200/3 ≈ 67
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